I Investigated The Best And Worst Peptides
Greg DoucettePublished on June 6, 2026
Summary authored by editor@wellifi.com
TLDR Summary
In Coach Greg's video, he ranks various peptides based on their safety and effectiveness, emphasizing the importance of FDA-approved options like Ozempic and Tirzepatide. He advises caution and personal research before using peptides, highlighting that individual needs should dictate choices.
Key Points
- Peptides vary in effectiveness and safety.
- FDA-approved options like Ozempic and Tirzepatide are generally safer.
- Use of peptides should be based on individual health goals.
- Higher doses may lead to side effects.
- Exercise and healthy living are essential.
Understanding Peptides: Coach Greg's Ranking and Insights
In this insightful video, Coach Greg dives deep into the world of peptides, evaluating their effectiveness and safety based on his expertise and personal experiences. He reviews various peptides, ranking them from S tier to F tier, while emphasizing that the best choice ultimately depends on individual needs and goals.
The Basis of Ranking Peptides
Coach Greg explains that the tier ranking system he uses is subjective, varying from person to person. For instance, certain peptides might be more beneficial for those struggling with obesity compared to athletes focused on performance. He emphasizes the importance of understanding the implications of using these compounds before making a decision.
Top Peptides Discussed
1. Retatrutide
Coach Greg places Retatrutide in the A tier due to its lack of FDA approval and a higher dropout rate in clinical trials compared to FDA-approved options like Ozempic and Tirzepatide. He warns about potential side effects like gastrointestinal discomfort and heart rate increases.
2. Ozempic and Tirzepatide
Both are ranked in the S tier for their safety and effectiveness. They are FDA-approved, making them safer choices for those looking to manage appetite and weight.
3. Mounjaro
Currently used by Coach Greg, Mounjaro is rated as C tier. It is banned by WADA for athletes, raising concerns about its safety and legality in competitive sports.
4. IGF-1 LR3
While effective for muscle growth, IGF-1 LR3 is ranked C tier due to its potential to increase cancer cell growth and other serious health risks.
5. CJC-1295 and Ipamorelin
Ranked in C tier, these growth hormone secretagogues are commonly prescribed together but carry risks of chronically elevated IGF-1 levels.
6. GHK-Cu
With potential benefits for skin and hair, GHK-Cu is rated B tier. It may have some pain associated with injections but shows promise in improving physical appearance.
7. BPC-157
Considered B tier, BPC-157 is noted for its potential in injury recovery but is not FDA approved.
Key Takeaways
- Peptides can vary widely in effectiveness and safety.
- FDA-approved options like Ozempic and Tirzepatide are generally safer choices.
- Use of peptides should be carefully considered based on individual health goals and conditions.
- Higher doses of peptides may lead to unwanted side effects.
- Exercise and healthy lifestyle choices remain essential for overall health.
Conclusion
In conclusion, while peptides can offer benefits for fat loss, muscle building, and overall health, they come with potential risks that must be understood. Coach Greg advocates for making informed decisions and consulting healthcare professionals before starting any peptide regimen. As always, personal health goals should drive the choice of supplements and treatments.
For more insights and to explore FDA-approved options, you can check out Algorex, where you can get your blood work done and discuss your needs with doctors.